fix dl of files

wow.py

@@ -57,18 +57,21 @@ class WOW(datasets.GeneratorBasedBuilder):
         )
     
     def _split_generators(self, dl_manager):
+        train_filename = dl_manager.download_and_extract("data/train.json")
+        valid_filename = dl_manager.download_and_extract(f"data/valid_{self.config.split}_split.json")
+        test_filename = dl_manager.download_and_extract(f"data/test_{self.config.split}_split.json")
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
-                gen_kwargs={"filename": "data/train.json"},
+                gen_kwargs={"filename": train_filename},
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.VALIDATION,
-                gen_kwargs={"filename": f"data/valid_{self.config.split}_split.json"},
+                gen_kwargs={"filename": valid_filename},
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
-                gen_kwargs={"filename": f"data/test_{self.config.split}_split.json"},
+                gen_kwargs={"filename": test_filename},
             )
         ]